Compressor



FIG. 1 is a front view of our design for a compressor;

FIG. 2 is a left side view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a front, top and right side view thereof.

The areas shown in broken lines show environmental structure only andform no part of the claimed design.

CLAIM The ornamental design for a compressor, as shown and described.